North Korea's Mass Games highlight diplomatic progress with advanced technology - North Korea held its famous gymnastics performance on Sunday -- the Mass Games -- for the first time in five years. This year was different though, and noticeably more high-tech. Park Hee-jun tells us more. North Korea's iconic gymnastics performance,... the "Mass Games" kicked off on Sunday,... to celebrate the 70th anniversary of the regime's founding. Under the theme "Glorious Nation," tens of thousands of gymnasts and acrobats danced in highly synchronized formation.